00844cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035002000092040004100112042001200153050003100165100004100196245006700237260005200304300001700356410007200373500001900445500009200464650002900556999001700585e  25000391 DLC20260227111216.0891011s1925    dcu           000 0 eng c  ae  25000391   a(OCoLC)20478157  aU.S. Bur. of Education Lib.cOOdDLC  apremarc00aLB3405b.U5 no. 9aRK91.R61 aRogers, James Frederick,d1870-1965.14aThe training of dental hygienists,cby James Frederick Rogers.  aWashington,bGovernment Printing Office,c1925.  a4 p.c23 cm.10aUnited States.bOffice of Education.tSchool health studies,vno. 9  aCaption title.  aAt head of title: ... Department of the Interior. Bureau of Education. Washington, D.C. 0aTeethxCare and hygiene.  c20776d20776